Thanks Ben, Ryan, Stan, Fo and Andrew.
We all have varying interests. When given a chance to see California's redwoods, many people say they saw one, once, and "If you see one, you've seen them all."
To each his or her own, of course.
A full day at Craters of the Moon is enough for me, but I've been there three times and always enjoyed it.
The Interstate bypasses it, so people speed on their way to Yellowstone and the Tetons.
Charlie